<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4"> <el-button type="primary" @click="goAddPage">添加商品</el-button> </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodsList" border stripe >
                <el-table-column type="index" label="#">
                </el-table-column>
                <el-table-column prop="goods_name" label="商品名称">
                </el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="95px">
                </el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="70px">
                </el-table-column>
                <el-table-column prop="add_time" label="创建时间" width="200px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="230px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoodsById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[10, 20, 30, 40]"
                :page-size="10"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data(){
        return{
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 总数据条数
            total: 0 ,
            // 商品列表
            goodsList:[]
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 获取商品列表
        async getGoodsList(){
            const {data:res}=await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败')
            }
            console.log(res.data);
            this.total=res.data.total
            this.goodsList=res.data.goods
        },
        // 每页显示的条数发生变化的时候
        handleSizeChange(newsize){
            this.queryInfo.pagesize=newsize
            this.getGoodsList()
        },
        // 翻页的时候
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },
        async deleteGoodsById(goods_id){
            const confirmRsult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if(confirmRsult!=='confirm'){
                return this.$message.info('已取消删除')
            }
            console.log('确认删除');
            const {data:res}=await this.$http.delete('goods/'+goods_id)
            if(res.meta.status!==200){
                this.$message.error('删除商品失败')
            }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>

</style>